1.11799

Sulfanilamide

GR for analysis Reag. Ph Eur

• Synonyme(s) : Sulfanilamide, 4-Aminobenzenesulfonamide
• Formule empirique (notation de Hill) : C₆H₈N₂O₂S
• Numéro CAS: 63-74-1
• Poids moléculaire : 172.20
• UNSPSC Code: 12352111
• EC Index Number: 200-563-4
• NACRES: NB.21
• MDL number: MFCD00007939
• eCl@ss: 39093202

Propriétés

• agency: reag. Ph. Eur.
• Quality Segment: 100
• vapor pressure: 0.00001 hPa ( 70 °C)
• form: solid
• potency: 3900 mg/kg LD₅₀, oral (Rat)
• pH: 5.8-6.1 (20 °C, 5 g/L in H₂O)
• mp: 162.8 °C
• density: 1.54 g/cm³ at 20.3 °C
• bulk density: 500 kg/m³
• storage temp.: 15-25°C
• SMILES string: [S](=O)(=O)(N)c1ccc(cc1)N
• InChI: 1S/C6H8N2O2S/c7-5-1-3-6(4-2-5)11(8,9)10/h1-4H,7H2,(H2,8,9,10)
• InChI key: FDDDEECHVMSUSB-UHFFFAOYSA-N

Description

Application

Sulfanilamide is used in colorimetric analysis to detect nitrites in water and food. It reacts with nitrites to form a colored azo dye, which can be quantitatively measured, making it valuable for assessing water quality and identifying contamination.

Analysis Note

Assay (bromometric, calc. on dried substance): ≥ 99
Identity (IR-spectrum): passes test
Melting range (lower value): 163 - 166
Melting range (upper value): 163 - 166
Alkali-insoluble impurities: passes test
Acid-insoluble impurities: passes test
Chloride (Cl): ≤ 0.01 %
Sulphate (SO₄): ≤ 0.02 %
Heavy metals (as Pb): ≤ 0.002 %
Sulfated ash: ≤ 0.1 %
Loss on Drying (105°C): ≤ 0.5 %

Other Notes

Replaces: SX1150-2; SX1150

Informations sur la sécurité

• Classe de stockage: 11 - Combustible Solids
• Que se passe-t-il ?: WGK 1
• Point d'éclair (°F): Not applicable
• Point d'éclair (°C): Not applicable